TLR7 and pulmonary fibrosis: Although the ability of a folate‐targeted TLR7 agonist to treat fibrosis was only examined in a murine model of lung fibrosis, we envision that the same strategy might also prove beneficial in treatment of fibrotic diseases of the liver, skin, heart, and the kidneys (Hulsmans et al, 2016; Wynn & Vannella, 2016; Tang et al, 2019).